Prosecution Insights
Last updated: July 17, 2026
Application No. 18/745,419

LIGHT EMITTING DIODE (LED) STACK FOR A DISPLAY

Non-Final OA §102
Filed
Jun 17, 2024
Priority
Nov 27, 2017 — provisional 62/590,870 +8 more
Examiner
SOWARD, IDA M
Art Unit
Tech Center
Assignee
Seoul Viosys Co., Ltd.
OA Round
1 (Non-Final)
93%
Grant Probability
Favorable
1-2
OA Rounds
0m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 93% — above average
93%
Career Allowance Rate
1260 granted / 1351 resolved
+33.3% vs TC avg
Moderate +6% lift
Without
With
+5.5%
Interview Lift
resolved cases with interview
Fast prosecutor
2y 1m
Avg Prosecution
53 currently pending
Career history
1383
Total Applications
across all art units

Statute-Specific Performance

§101
0.4%
-39.6% vs TC avg
§103
48.0%
+8.0% vs TC avg
§102
29.0%
-11.0% vs TC avg
§112
22.0%
-18.0% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1351 resolved cases

Office Action

§102
DETAILED ACTION Notice of Pre-AIA or AIA Status The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . This Office Action is in response to the application filed June 17, 2024. Claim Rejections - 35 USC § 102 In the event the determination of the status of the application as subject to AIA 35 U.S.C. 102 and 103 (or as subject to pre-AIA 35 U.S.C. 102 and 103) is incorrect, any correction of the statutory basis (i.e., changing from AIA to pre-AIA ) for the rejection will not be considered a new ground of rejection if the prior art relied upon, and the rationale supporting the rejection, would be the same under either status. The following is a quotation of the appropriate paragraphs of 35 U.S.C. 102 that form the basis for the rejections under this section made in this Office action: A person shall be entitled to a patent unless – Claim(s) 1 is/are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Cha et al. (US 2017/0288093 A1). In regard to claim 1, Cha et al. teach a light emitting diode (LED) pixel for a display, comprising: a first LED stack 10 having a first well layer 10b (page 3, paragraph [0039]); a second LED stack 20 disposed on the first LED stack 10 and having a second well layer 20b (page 3, paragraph [0039]); a third LED stack 30 disposed on the second LED stack 20 and having a third well layer 30b (page 3, paragraph [0039]); a first electrode 12a disposed on the first LED stack 10 and in ohmic contact with the first LED stack 10; a second electrode 22a disposed on the second LED stack 20 and in ohmic contact with a majority of a surface of the second LED stack 20; and a third electrode 32a in ohmic contact with a surface of the third LED stack 20, wherein the first well layer 10a includes at least one base material different from that of the second well layer 20a (Figure 38, pages 2-10, paragraphs [0037]-[0146]). Conclusion The prior art made of record and not relied upon is considered pertinent to applicant's disclosure. The following patents are cited to further show the state of the art with respect to stacked light-emitting devices: Choi et al. (US 2010/0084668 A1) Hoshi et al. (US 2005/0238310 A1) Kato (US 2005/0140278 A1) Kijima et al. (US 2007/0181887 A1) Nishikawa et al. (US 2003/0039278 A1) Park (US 2005/0121662 A1) Seo et al. (US 2012/0241794 A1). Any inquiry concerning this communication or earlier communications from the examiner should be directed to IDA M SOWARD whose telephone number is (571)272-1845. The examiner can normally be reached Monday through Thursday, 7am to 5:30pm. Examiner interviews are available via telephone, in-person, and video conferencing using a USPTO supplied web-based collaboration tool. To schedule an interview, applicant is encouraged to use the USPTO Automated Interview Request (AIR) at http://www.uspto.gov/interviewpractice. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, Leonard Chang can be reached at 571-270-3691. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of published or unpublished applications may be obtained from Patent Center. Unpublished application information in Patent Center is available to registered users. To file and manage patent submissions in Patent Center, visit: https://patentcenter.uspto.gov. Visit https://www.uspto.gov/patents/apply/patent-center for more information about Patent Center and https://www.uspto.gov/patents/docx for information about filing in DOCX format. For additional questions, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). If you would like assistance from a USPTO Customer Service Representative, call 800-786-9199 (IN USA OR CANADA) or 571-272-1000. IMS June 29, 2026 /IDA M SOWARD/Primary Examiner, Art Unit 2898
Read full office action

Prosecution Timeline

Jun 17, 2024
Application Filed
Jul 02, 2026
Non-Final Rejection mailed — §102 (current)

Precedent Cases

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Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

1-2
Expected OA Rounds
93%
Grant Probability
99%
With Interview (+5.5%)
2y 1m (~0m remaining)
Median Time to Grant
Low
PTA Risk
Based on 1351 resolved cases by this examiner. Grant probability derived from career allowance rate.

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